1. Department of Food Quality and Nutrition, Research and Innovation Centre; Fondazione Edmund Mach (FEM); Via E. Mach 1 38010 San Michele all'Adige Italy
2. Institut für Ionenphysik und Angewandte Physik; Leopold-Franzens Univ. Innsbruck; Technikerstr. 25 A-6020 Innsbruck Austria
3. Illycaffè S.p.a; Via Flavia, 110 34147 Trieste Italy